Musharraf vows 'full' probe support

Musharraf and Blair spoke by telephone on Thursday evening, the official Associated Press of Pakistan (APP) reported.

"The President assured the British Prime Minister of Pakistan's fullest support and assistance in the investigation of July 7 terrorist acts in London," APP said.

Blair thanked Musharraf for Pakistan's "unequivocal support" and praised its role in the US-led war on terrorism, the report said.

Three of the four bombers behind the attacks that killed 52 London commuters were of Pakistani ethnic origin but living in northern England, while media reports on Thursday identified the fourth as a Jamaican-born Briton.

On Thursday, Pakistan's Foreign Ministry said it was awaiting details of when any of the suspected British-born suicide bombers had visited Pakistan.

The Islamic South Asian country has been at the forefront of an international war on terrorism since Musharraf committed it to support the United States following al-Qaeda's attacks on New York and Washington in 2001.

A year ago, the arrest in Lahore of a Pakistani computer expert named Mohammad Naeem Noor Khan helped British police bust a suspected al-Qaeda sleeper cell.

And in May, Pakistan delivered another breakthrough with the arrest of Abu Faraj Farj al Liby, dubbed by Washington as al-Qaeda's third-most important leader after Osama bin Laden and his deputy Ayman al-Zawahri.